convolution

convolution
noun
  1. (常作 convolutions)a coil or twist, especially one of many
    (尤指众多之一的)盘绕,卷曲
    crosses adorned with elaborate convolutions.
    用精致的盘卷装饰的十字饰物。
    ■a thing that is complex and difficult to follow
    复杂而费解的事物
    the convolutions of farm policy.
    农场政策的费解之处。
    ■a sinuous fold in the surface of the brain
    脑回
    ■[mass noun]the state of being or process of becoming coiled or twisted
    盘绕;弯曲
    the flexibility of the polymer chain allows extensive convolution.
    聚合物链的柔韧性允许大幅度的弯曲。
  2. (亦作 convolution integral)(Mathematics)a function derived from two given functions by integration which expresses how the shape of one is modified by the other
    (数)卷积积分;褶合积分
    ■a method of determination of the sum of two random variables by integration or summation
    结合式;褶合式
派生
convolutional
adjective
语源
  1. mid 16th cent.: from medieval Latin convolutio(n-), from convolvere 'roll together' (see convolve)
英语宝典
考试词汇表